<nav class="header-menu">
	<ul>
		<li router-link="test">test</li>
    	<li router-link="table">table</li>
		<li>3</li>
		<li>4</li>
		<li>5</li>
	</ul>
</nav>
<main>
	<div class="content">
		<!--声明路由出口-->
		<router-outlet></router-outlet>
	</div>
</main>